期刊
JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS
卷 6, 期 4, 页码 980-997出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/2013MS000276
关键词
soil texture; soil hydraulic parameters; global land surface modeling; soil moisture; organic carbon
资金
- Regional and Global Climate Modeling Program of the Office of Biological and Environmental Research in the U.S. Department of Energy Office of Science [DE-AC02-05CH11231]
- Office of Science (BER), U.S. Department of Energy through Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
- U.S. Department of Energy's SciDAC program [DE-SC0006684]
- U.S. Government
- U.S. Department of Energy (DOE) [DE-SC0006684] Funding Source: U.S. Department of Energy (DOE)
We present an analysis of version 5.1 of the Community Atmospheric Model (CAM5.1) at a high horizontal resolution. Intercomparison of this global model at approximately 0.25 degrees, 1 degrees, and 2 degrees is presented for extreme daily precipitation as well as for a suite of seasonal mean fields. In general, extreme precipitation amounts are larger in high resolution than in lower-resolution configurations. In many but not all locations and/or seasons, extreme daily precipitation rates in the high-resolution configuration are higher and more realistic. The high-resolution configuration produces tropical cyclones up to category 5 on the Saffir-Simpson scale and a comparison to observations reveals both realistic and unrealistic model behavior. In the absence of extensive model tuning at high resolution, simulation of many of the mean fields analyzed in this study is degraded compared to the tuned lower-resolution public released version of the model.
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